Nucky visits Chicago for the Republican National Convention, where he finds himself intrigued by the candidacy of Warren G. Harding over more established candidates. The DAlessio gang moves in on Nuckys territory at the expense of Eli, who has been watching over his brothers affairs. Margaret finds herself entangled in Nuckys business affairs, while Van Alden struggles with his wifes desire for a child. Rothstein prepares for legal trouble over his role in fixing the 1919 World Series. Nucky asks Jimmy to return to Atlantic City to reinforce his position.